| Year | Value | | 2022 | 5,357,839 | | 2021 | 5,283,472 | | 2020 | 5,238,479 | | 2019 | 5,196,085 | | 2018 | 5,153,759 | | 2017 | 5,110,858 | | 2016 | 5,058,968 | | 2015 | 4,988,134 | | 2014 | 4,916,377 | | 2013 | 4,861,991 | | 2012 | 4,817,487 | | 2011 | 4,792,887 | | 2010 | 4,800,510 | | 2009 | 4,812,679 | | 2008 | 4,823,638 | | 2007 | 4,832,038 | | 2006 | 4,839,801 | | 2005 | 4,839,033 | | 2004 | 4,829,142 | | 2003 | 4,822,095 | | 2002 | 4,821,291 | | 2001 | 4,820,068 | | 2000 | 4,824,004 | | 1999 | 4,834,637 | | 1998 | 4,847,335 | | 1997 | 4,864,091 | | 1996 | 4,880,469 | | 1995 | 4,895,821 | | 1994 | 4,910,076 | | 1993 | 4,912,877 | | 1992 | 4,893,935 | | 1991 | 4,861,464 | | 1990 | 4,833,974 | | 1989 | 4,817,928 | | 1988 | 4,816,676 | | 1987 | 4,830,238 | | 1986 | 4,847,469 | | 1985 | 4,864,664 | | 1984 | 4,882,418 | | 1983 | 4,902,840 | | 1982 | 4,930,765 | | 1981 | 4,947,212 | | 1980 | 4,936,650 | | 1979 | 4,935,890 | | 1978 | 4,943,554 | | 1977 | 4,946,802 | | 1976 | 4,944,146 | | 1975 | 4,952,131 | | 1974 | 4,964,528 | | 1973 | 4,955,326 | | 1972 | 4,927,193 | | 1971 | 4,897,890 | | 1970 | 4,872,871 | | 1969 | 4,852,163 | | 1968 | 4,831,802 | | 1967 | 4,803,163 | | 1966 | 4,763,809 | | 1965 | 4,726,878 | | 1964 | 4,692,726 | | 1963 | 4,658,034 | | 1962 | 4,624,644 | | 1961 | 4,592,914 | | 1960 | 4,561,167 |
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